Abstract: A measurement device is provided for determining a distance of the measurement device from a medium and a flow speed of a medium by evaluating a transmission signal emitted by the fill level measurement device and reflected by the medium. The measurement device includes an antenna arrangement for emitting the transmission signal in two different directions. The flow speed of the medium can be determined using the Doppler shift of the transmission signal.

Abstract: A particle separation system for separating particles in an airflow upstream of a detection chamber in an aspirating smoke detector is disclosed. The particle separation system includes an airflow path for directing the airflow from an inlet to an outlet. The airflow path includes a first airflow path section in a first direction and a second airflow path section in a second direction, the first and second directions being different relative to each other. The airflow path also includes at least one electrically charged surface such that the airflow undergoes electrostatic precipitation as it traverses the airflow path. A method of separating particles in an airflow upstream of a detection chamber in an aspirating smoke detector is also disclosed.

Abstract: Provided is a gas sensor in which a protective cover has no looseness even by repetitive use. The gas sensor includes a sensor element for detecting a predetermined measurement target gas component in a measurement gas; a protective cover which protects a side of one end portion of the sensor element; and a housing which houses the sensor element. The protective cover includes a brim portion at one end portion of an outer surface of the protective cover. The brim portion is brought into contact with a contact surface provided in said housing, and is held between a swaging portion and the contact surface, the swaging portion extending from the contact surface while bending, so that the protective cover is fixed to the housing. The brim portion is tilted at a tilt angle of 5° or more and 15° or less relative to a plane vertical to a central axis of the gas sensor.

Abstract: The invention relates to a test bench (10) for testing a test specimen (14), comprising a load device for generating a load for the test specimen, a test specimen holder (16) for holding the test specimen and for introducing the load onto the test specimen, and a cooling gas inflow device (32) for cooling the test specimen by means of a cooling gas stream exiting an outlet opening (48) of the cooling gas inflow device. In this case, the cooling gas inflow device is designed such that the cooling gas flow inside the cooling gas inflow device is divided into at least two part cooling gas streams in at least one section of the cooling gas inflow device.

Abstract: The present invention couples a housing including a gas separation membrane to a sensor unit capable of detecting the concentration of hydrogen gas such that liquid cannot permeate a closed space within the housing and only hydrogen gas dissolved in the liquid can permeate the closed space through the gas separation membrane, and detachably couples such a hydrogen sensor element to an opening of a container in which the liquid is held. Accordingly, the present invention can measure the concentration of dissolved hydrogen gas in a simple manner.

Abstract: A gas sensor includes a gas sensor element that extends in an axial direction and that includes a detector, which detects a specific gas in a mixed gas; a metal shell that surrounds a periphery of the gas sensor element to hold the gas sensor element; a base that is disposed on a rear side of the metal shell and that covers a rear end portion of the gas sensor element, the base being made of a polymer material; and a metal tube that connects the metal shell and the base to each other and that includes a rear portion and a front portion, the rear portion being integrated with the base, the front portion forming an exposed portion that is exposed from the base. A part of the exposed portion of the tube is connected to the metal shell, and the base is disposed apart from the metal shell.

Abstract: A gas sensor device of the present invention, aiming sufficient correction results of an internal combustion engine under different operation conditions, includes a concentration sensor for measuring the concentration of gas and a pressure sensor for measuring the pressure of the gas. The gas sensor device also includes a measuring chamber incorporating the concentration sensor and the pressure sensor, and a processing circuit unit that adjusts a signal of the concentration sensor using a signal of the pressure sensor. The processing circuit unit may preferably be provided with a response speed adjusting unit that brings the response speed of a detected signal of the pressure sensor close to the response speed of a detected signal of the concentration sensor.

Abstract: A method for localizing the source of air pollution that includes receiving pollution data from a network in communication with at least one air pollution sensor that is connected to at least one motor vehicle in a stationary position. Each stationary motor vehicle of the network is positioned at a different air pollution measurement location. The method may further include determining from the pollution data an origin of an air pollutant using an air pollution model provided by a pollutant source localization device including at least one hardware processor.

Abstract: A fill level measurement device is specified for determining distance of the measurement device and flow speed of a medium, which comprises a frequency-modulated transmission signal having a rising and a falling frequency ramp. The flow speed of the medium can be determined by the Doppler effect arising from the flow speed of the medium.

Abstract: A limit level switch includes an integrated position sensor which, when the limit level switch is put into operation, detects information about the installation position of the limit level switch inside a container. This positional information is taken into account when evaluating the measurement signals detected by the limit level switch in order to determine whether or not the measuring probe is surrounded by filling material. This can simplify the evaluation method.

Abstract: Some examples of the disclosure are directed to systems, apparatus, and methods for temperature detection using multiple temperature controllers each having distributed temperature sensors that allow reading multiple sensor outputs in parallel for a wide range of covered area. The temperature controller may also have logic to calculate a local temperature controller maximum temperature, a maximum temperature of all sensors, provide software access to each sensor, easy software enablement through a software interface that allows access earlier than when chip operating system (OS) is booted, and the ability to enable and mask individual sensors or sensor groups through software.

Abstract: An ultrasound-based air bubble and/or solid detector comprising an ultrasonic transmitter for transmitting ultrasound through a medium to be examined, wherein the ultrasound is adapted to be received by an ultrasonic receiver. Energy input of the ultrasound into a medium to be monitored may be limited and/or monitored and/or adapted.

Abstract: Methods and apparatuses for detection of gas bubbles in a microchannel configured for a conductive fluid to flow therethrough. The methods and apparatuses utilize a plate and at least two aligned electrodes embedded within the plate. The plate is configured to be located over the microchannel such that the at least two aligned electrodes are located along a length of the microchannel in the flow direction. Impedance is measured between the electrodes, and the percentage of gas within the fluid flowing through the microchannel is measured based on the measured impedance between the electrodes.

Abstract: A thermoanalytical sensor has a substrate, a measurement position, a temperature sensor unit, and an electrical contact pad. The temperature sensor unit senses the temperature at the measurement position. It is connected via the electrical contact pad to a metallic wire and thereby tied into an electronic circuit. The substrate is prepared with at least one measurement position, at least one temperature sensor unit and at least one electrical contact pad on a top side of the substrate. A passage in the substrate allows connection to the electrical contact pad. A metallic wire is inserted into the passage from the bottom side of the substrate and melted into a small ball on the upper end of the wire. A materially integral connection as a bonded joint between the upper end of the metallic wire and the electrical contact pad is made by applying pressure and heat to the metal ball.

Abstract: A coaxial fluid level sensor can be easily assembled and maintained with a minimum of required tooling by using U-shaped spacers to center an inner rod within an outer shell. The U-shaped spacers can be snapped onto the inner rod before or as the inner rod is inserted into the outer shell. The sensor can be extended by attaching additional inner rods and outer shells end to end.

Abstract: According to one embodiment, a pressure sensor includes a film part, and a sensing unit. A circumscribing rectangle circumscribing a configuration of a film surface of the film part has a first side, a second side, a third side connected to one end of the first side and one end of the second side, a fourth side connected to one other end of the first side and one other end of the second side, and a centroid of the circumscribing rectangle. The circumscribing rectangle includes a first region enclosed by the first side, line segments connecting the centroid to the one end of the first side, and to the one other end of the first side. The sensing unit includes sensing elements provided on a portion of the film surface overlapping the first region. Each sensing element includes a first, second magnetic layers, and a spacer layer.

Abstract: Systems and methods according to one or more examples are provided for determining a flow rate of a fluid. In certain examples, a fluid volume flow rate measurement station may be provided. The station may include a plunger, a volume chamber with a cavity, and a level sensor attached to the volume chamber. In certain such examples, the station may measure the flow rate of a fluid. The station may be incorporated into an automated manufacturing system and certain parameters associated with the automated manufacturing system may be adjusted according to the flow rate of the fluid determined by the station.

Abstract: The present disclosure provides an equipment and method for measuring weight of instilled liquid crystals, so as to improve the measurement accuracy and the measurement efficiency of the equipment for measuring weight of instilled liquid crystals. The equipment includes a tray having a plurality of holes arranged in a circle and a measuring cup arranged within each hole, a pair of scales arranged below the circle of the holes, and a driving device connected to the tray in a driving manner and configured to drive the tray to move up and down and drive the tray that has moved to a high position to rotate to a position where one measuring cup to be measured is in alignment with the pair of scales.

Abstract: A particulate detection system (1) for detecting the quantity of particulates S in a gas under measurement EG includes first heater energization means S2 to S3, current convergence determination means S4 to S5, S7 to S8, second heater energization means S6, and detection start means S10. S2 to S3 performs low-temperature energization of heater (78) for a predetermined period after operation of ion source (11) is started by ion source drive circuit (210) such that gaseous discharge current Id becomes equal to a predetermined target current It. S4 to S5, S7 to S8 determines, after elapse of the predetermined period, whether or not Id has converged to an allowable range IR. When S4 to S5 determines that Id has not yet converged, S6 performs high-temperature energization of the heater (78) until Id converges. Then, S10 starts detection of particulates S using signal Is detected by a detection circuit (230).

Abstract: In order to improve measurement accuracy by accurately calibrating sensitivity of a dissolved oxygen meter without impairing easiness in calibration, the present invention includes a dissolved oxygen measuring device that includes a cell to be loaded with a sample solution, and a dissolved oxygen meter that is attached to the cell and measures an oxygen concentration in the sample solution; and a mode switching mechanism to switch between a measurement mode, in which a sensor surface of the dissolved oxygen meter is substantially in contact with the sample solution in the cell, and a calibration mode, in which the sensor surface is substantially not in contact with the sample solution in the cell, by feeding air into the cell through a feed port disposed on the cell, and by discharging part of the sample solution through a discharge port disposed on the cell.